Description: Begining shrinking temperature:80C, completely shrinking temperature: 105C. Rated voltage:300V; Shrinking rate: 50 percent (radial) and 5 percent (axial). Material: PVC; Color: Clear; Round diameter: 2mm/3mm/5mm; Tube Length:1m/3.3ft. Used for stereo, earphone, speaker wire cable wrapping and more. Heating tool: hot air flame retardant, environmental protection, insulation, soft, stable performance, low temperature shrinkage, shrinking fast, etc. Package Includes: 1 Piece Heat Cool Shrink Tubing. Note: ?2: 2mm Diamater ?3: 3mm Diamater ?5: 5mm Diamater